\documentclass{article}
% translate with >> pdflatex -shell-escape <file>

% This file is used as unit test for pgfplots, copyright by Christian Feuersaenger.
% 
% See
%   http://pgfplots.sourceforge.net/pgfplots.pdf
% for pgfplots.
%
% Any required input files (for <plot table> or <plot file> or the table package) can be downloaded
% at
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/
% and
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/plotdata/

\usepackage{pgfplots}
\pgfplotsset{compat=1.3}

\pagestyle{empty}

\begin{document}
\pgfplotstableset{
	alias/LmaxXX/.initial=Lmax,
	alias/{L/m=ax}/.initial=Lmax}
\begin{tikzpicture}
\begin{loglogaxis}[xlabel=Dof,ylabel=$L_\infty$ error,title=Read from file `pgfplotstest\_plot']
\addplot plot table[x=dof,y=LmaxXX] {plotdata/pgfplotstest_plot.dat};
\end{loglogaxis}
\end{tikzpicture}
\end{document}
